Q. When is a door not a door?
A. When it's ajar (sounds like 'a jar').
Q. You have two coins that total 30 cents. One of them isn't a nickel. What are the two coins?
A. A quarter and a nickel (the quarter is the coin that isn't a nickel).
Q. A plane crashes on the USA/ Canadian border. Which country buries the survivors.
A. Neither. Survivors are alive and you don't bury them.
Q. A rooster is sitting on a roof with a 45 degree slope and the wind is blowing from the southwest. Which direction does the laid egg fall.
A. None. Roosters don't lay eggs.